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Long-Term Debt (Tables)
6 Months Ended
Aug. 31, 2012
Long-Term Debt [Abstract]  
Summary of long-term debt
                 
    August 31,     February 29,  
    2012     2012  

Revolving credit facility

  $ 70,000     $ 90,000  
   

 

 

   

 

 

 

Total long-term debt

  $ 70,000     $ 90,000